Chevrolet Silverado / GMC Sierra. Service manual — part 1042

Fig. 65: Installing New Filter Seal Into Transmission Case
Courtesy of GENERAL MOTORS CORP.

1. Coat the NEW filter seal with automatic transmission fluid.

2. Install the NEW filter seal into the transmission case. Tap the seal into place using a suitable

size socket.

3. Install the NEW filter.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado

Fig. 66: View Of Oil Pan & Gasket
Courtesy of GENERAL MOTORS CORP.

4. Install the oil pan and NEW gasket.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado

Fig. 67: View Of Oil Pan Bolts
Courtesy of GENERAL MOTORS CORP.

5. Install the oil pan bolts.

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado

Tighten: Tighten the bolts alternately and evenly to 11 N.m (97 lb in).

6. Install the catalytic converter. Refer to Catalytic Converter Replacement (4.3L) or

Catalytic Converter Replacement (4.8L, 5.3L, 6.0L, 6.2L) or Catalytic Converter
Replacement (6.6L) .

7. If previously removed, install the range selector cable bracket and bolts.

Tighten: Tighten the bolts to 25 N.m (18 lb ft).

8. Apply a small amount of sealant GM P/N 12346004 (Canadian P/N 10953480), or

equivalent to the threads of the oil pan drain plug, if equipped.

9. Lower the vehicle.

10. Fill the transmission to the proper level with DEXRON® VI transmission fluid. Refer to

Transmission Fluid Check and Fluid Capacity Specifications .

11. Check the COLD fluid level reading for initial fill only.

12. Inspect the oil pan gasket for leaks.

TRANSMISSION FLUID COOLER HOSE/PIPE REPLACEMENT

Removal Procedure

1. Remove the front grill assembly. Refer to Radiator Grille Replacement (Chevrolet) or

Radiator Grille Replacement (GMC) .

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E/4L70-E - Cab & Chassis Sierra, Cab & Chassis

Silverado, Sierra & Silverado